1. AARP & NCCAM (2007). Complementary and alternative medicine: What people 50 and older are using and discussing with their physicians. Retrieved March 3, 2009 from http://assets.aarp.org/rgcenter/health/cam_2007.pdf
2. The efficacy of “distant healing”: A systematic review of randomized trials;Astin;Annals of Internal Medicine,2000
3. Perceived barriers to trying self-management approaches for chronic pain in older persons;Austrian;Journal of the American Geriatrics Society,2005
4. Barnes, P.M., Powell-Griner, E., McFann, K., & Nahin, R.L. (2004). Complementary and alternative medicine use among adults: United States, 2002. In National Center for Health Statistics, Ed., Advance data from vital and health statistics, no. 343 (pp. 1–19). Hyattsville, MD: U. S. Department of Health and Human Services.
5. Assessing treatment fidelity in pilot studies assist in designing clinical trials: An illustration from a nurse practitioner community-based intervention for pain;Bruckenthal;Advances in Nursing Science,2007